#include <stdio.h>
#include <stdlib.h>
#include <time.h>

#define M 1000

int main()
{
    int* arr = (int*)malloc(M * sizeof(int));
    //srand(time(NULL));
    for (int i = 0; i < M; ++i)
    {
        arr[i] = i;
    }
    
    int cnt = 0;

    for (int i = 0; i < M; ++i)
    {
        printf("%d ", arr[i]);
        ++cnt;
        if (cnt % 5 == 0)
        {
            printf("\n");
        }
    }
    printf("\n");

#ifdef N
    printf("haha\n");
#else
    printf("hehe\n");
#endif

    return 0;
}
